EP3141858B1 - Gebogener wärmetauscher - Google Patents
Gebogener wärmetauscher Download PDFInfo
- Publication number
- EP3141858B1 EP3141858B1 EP15788925.4A EP15788925A EP3141858B1 EP 3141858 B1 EP3141858 B1 EP 3141858B1 EP 15788925 A EP15788925 A EP 15788925A EP 3141858 B1 EP3141858 B1 EP 3141858B1
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- European Patent Office
- Prior art keywords
- header
- heat exchanger
- bent
- fin
- denoted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005452 bending Methods 0.000 description 39
- 230000009172 bursting Effects 0.000 description 33
- 230000007423 decrease Effects 0.000 description 11
- 238000005215 recombination Methods 0.000 description 11
- 230000006798 recombination Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05333—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0243—Header boxes having a circular cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
- F28F1/128—Fins with openings, e.g. louvered fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D2001/0253—Particular components
- F28D2001/026—Cores
- F28D2001/0273—Cores having special shape, e.g. curved, annular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
Definitions
- the present disclosure relates to a heat exchanger, and more particularly to a bent parallel-flow heat exchanger.
- a heat exchanger for example a parallel-flow heat exchanger (such as a multi-channel heat exchanger) is broadly applied to a refrigeration system, and in some application situations, the heat exchanger needs to be bent, that is, a header of the heat exchanger needs to be bent.
- a header of the heat exchanger needs to be bent.
- the heat exchanger is bent along a length direction of the header, if bent improperly, a performance of the heat exchanger will be affected adversely, or application requirements cannot be met.
- EP0855567A2 relates to a condenser/evaporator for use in a heat pump system in a construction having first and second, curved, generally congruent tubular headers with one of the headers being an upper header and the other of the headers being a lower header.
- a first row of elongated tube slots is located in the upper header while a second row of elongated tube slots is located in the lower header.
- Each tube slot in the first row has a corresponding tube slot in the second row and corresponding tube slots in the rows are aligned with one another.
- Elongated, straight, flattened tubes extend between the headers in parallel with each other and a first port is provided for refrigerant in one of the headers and a second port is provided for refrigerant in the other of the headers.
- CN103411446A discloses a bent heat exchanger according to the preamble of claims 1 and 2
- the heat exchanger includes a first flow collecting pipe, a second flow collecting pipe, a plurality of flat pipes and fins; two ends of every flat pipe are connected with the first flow collecting pipe and the second flow collecting pipe; the flat pipes, the first flow collecting pipe and the second flow collecting pipe are arranged in an interval mode; the fins are arranged between the flat pipes; the heat exchanger is provided with bending sections and linear sections; the linear sections are connected with the bending sections; the fins which are arranged inside the linear sections are first fins; the fins which are arranged inside the bending sections are second fins and third fins; the length of the second fins are larger than that of the third fins; the second fins and the third fins are alternately arranged along the axial direction.
- EP 1962040A1 relates to an core unit for a heat exchanger being bent about an axis perpendicular to the core unit's headers. Tubes establish fluid communication between the core unit's headers and a bend relief spacer is disposed between first and second groups of tubes. During the bending process, the bend relief spacer facilitates the bend and ultimately maintains the performance of the core unit.
- a heat exchanger When a heat exchanger is bent along a length direction of a header, if a bending radius is oversize, application requirements cannot be met in a case that a mounting space for the heat exchanger is limited. If the bending radius is undersize, a flat tube of the heat exchanger is deformed and a fin of the heat exchanger is torn, such that a heat exchange efficiency is affected, thus reducing a performance, even leading to a leakage of the flat tube and causing the heat exchanger to be scrapped. In addition, an excessive compression and deformation of the header may increase a pressure loss of coolant in the header and thus reduce the performance of the heat exchanger. Therefore, inventors realize that, a control of bending parameters is a factor affecting the performance, reliability and mounting-application convenience of the bent heat exchanger.
- an objective of the present disclosure is to provide a bent heat exchanger.
- the bending radius of the header is controlled, such that when the heat exchanger is bent along the header, the fin at an outer side of the bending will not be torn, and the header after being bent has a reduced deformation and an enough bursting strength.
- the bent heat exchanger includes: a first header and a second header, each of the first header and the second header including at least one bent segment and a straight segment adjoining the bent segment, the bent segment of the first header being corresponding to the bent segment of the second header; a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively, the plurality of flat tubes being spaced apart from one another along axial directions of the first header and the second header; and fins, each disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube, and including flat-straight segments and arc segments, each arc segment being connected between adjacent flat-straight segments.
- a thickness of the fin is denoted as FT
- the first header and the second header have different outer diameters, in which a larger one of the outer diameters of the first header and the second header is denoted as OD
- the first header and the second header have different wall thicknesses, in which a larger one of the wall thicknesses of the first header and the second header is denoted as T
- a width of the flat tube is denoted as W
- an arc radius of the fin is denoted as FR
- a height of the fin is denoted as FH, in which 0.01 ⁇ (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) ⁇ 9.
- the bent heat exchanger includes: a first header and a second header, each of the first header and the second header including at least one bent segment and a straight segment adjoining the bent segment, the bent segment of the first header being corresponding to the bent segment of the second header; a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively, the plurality of flat tubes being spaced apart from one another along axial directions of the first header and the second header; and a fin disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube, and including a plurality of flat-straight segments and an arc segment connected between the flat-straight segments.
- a thickness of the fin is denoted as FT
- the first header and the second header have an equal outer diameter and both outer diameters of the first header and the second header are donated as OD
- the first header and the second header have an equal wall thickness and both wall thicknesses of the first header and the second header are donated as T
- a width of the flat tube is denoted as W
- an arc radius of the fin is denoted as FR
- a height of the fin is denoted as FH, in which 0.01 ⁇ (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) ⁇ 9.
- the relative tensile stress Shd/ ⁇ b on the header along with the increasing of the recombination parameter, firstly decreases (the strength of the header is not enough when the wall thickness of the header is relatively small), and then rises gradually (a bending deformation stress rises when the relative wall thickness of the header is relatively large).
- a bending radius of a traditional copper-tube and fin heat exchanger of an air conditioner generally is more than 50 mm.
- a lower limit and an upper limit of the recombination parameter (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) are respectively determined as 0.01 and 9.
- the bent heat exchanger according to embodiments of the present disclosure has advantages of a reasonable structure, a steady construction, a high heat exchange efficiency, a great heat exchange performance, a high reliability, an easy mounting and application, and a great drainage performance.
- bent heat exchanger according to the above embodiments of the present disclosure may further include following additional technical features.
- 0.0061 ⁇ FR/FH ⁇ 0.6 0.0061 ⁇ FR/FH ⁇ 0.6.
- 0.0005 ⁇ FT/OD ⁇ 0.015 0.0005 ⁇ FT/OD ⁇ 0.015.
- 0.0016 ⁇ FR/OD ⁇ 0.4 0.0016 ⁇ FR/OD ⁇ 0.4.
- the bent heat exchanger is configured to be C-shaped or L-shaped.
- the bent heat exchanger 10 includes a first header 101, a second header 102, fins 104 and a plurality of flat tubes 103.
- Each of the first header 101 and the second header 102 includes at least one bent segment 1011 and a straight segment 1012 adjoining the bent segment 1011.
- the bent segment 1011 of the first header 101 is corresponding to the bent segment 1011 of the second header 102.
- Two ends of the flat tube 103 are connected to the first header 101 and the second header 102 respectively, the plurality of flat tubes 103 are spaced apart from one another along axial directions of the first header 101 and the second header 102.
- Each fin 104 is disposed between adjacent flat tubes 103, and extends in a corrugated shape along a length direction of the flat tube 103.
- Each fin 104 includes flat-straight segments 1041 and arc segments 1042, and each arc segment 1042 is connected between adjacent flat-straight segments 1041.
- a thickness of the fin 104 is denoted as FT
- the first header 101 and the second header 102 may have different outer diameters, and a larger one of the outer diameters of the first header 101 and the second header 102 is denoted as OD.
- the first header 101 and the second header 102 may have an equal outer diameter, and both the outer diameters of the first header 101 and the second header 102 are donated as OD.
- the first header 101 and the second header 102 may have different wall thicknesses, and a larger one of the wall thicknesses of the first header 101 and the second header 102 is denoted as T.
- the first header 101 and the second header 102 may have an equal wall thickness, and both the wall thicknesses of the first header 101 and the second header 102 are donated as T.
- a width of the flat tube 103 is denoted as W
- an arc radius of the fin 104 is denoted as FR
- a height of the fin 104 is denoted as FH, in which 0.01 ⁇ (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) ⁇ 9.
- the first header 101 and the second header 102 may have an equal outer diameter OD, and may as well have different outer diameters.
- the larger one of the outer diameters of the first header 101 and the second header 102 is donated as OD.
- the first header 101 and the second header 102 may have an equal wall thickness T, and may as well have different wall thicknesses.
- the larger one of the wall thicknesses of the first header 101 and the second header 102 is denoted as T.
- the first header 101 and the second header 102 may have an equal outer diameter and an equal wall thickness.
- the outer diameter OD may be the outer diameter of any one of the first header 101 and the second header 102
- the wall thickness T may be the wall thickness of any one of the first header 101 and the second header 102.
- a thickness (the width W of the flat tube 103) of a coil When a thickness (the width W of the flat tube 103) of a coil is determined, a decrease of a bending radius R will cause an overall bursting strength of the coil to be lowered, and therefore the wall thicknesses of the first header 101 and the second header 102 need to be increased (the outer diameters of the first header 101 and the second header 102 are not changed), or the outer diameters of the first header 101 and the second header 102 need to be decreased (the wall thicknesses of the first header 101 and the second header 102 are not changed), so as to meet strength requirements.
- increasing the wall thicknesses of the first header 101 and the second header 102 not only increases a cost, but also decreases internal volumes of the first header 101 and the second header 102.
- the strength of the fin 104 is in direct proportion to the thickness of the fin 104, a thicker fin 104 may resist a larger bending stress, and therefore it is not easy for the flat tube 103 after being bent to have a wavy deformation. But, increasing the thickness of the fin 104 not only results in an increased cost of the bent heat exchanger 10, but also causes an increased ventilation resistance, thus reducing a performance of the unit.
- the height of the fin 104 will as well influence the bending performance, the larger the height of the fin 104 is, the larger a spacing between the flat tubes 103 is, and thus a support force to the first header 101 and the second header 102 within per unit length is smaller, such that it is easier for the first header 101 and the second header 102 is to be deformed after being bent.
- the thickness FT of the fin 104, the arc radius FR of the top of the fin 104 and the height FH of the fin 104 may cause an apparent tensile stress for the stretch of the fin 104 during the bending.
- the tensile stress is denoted as Sfin.
- Sfin The tensile stress
- the wall thicknesses T and the outer diameters OD of the first header 101 and the second header 102 may cause an apparent bending stress during the bending, and the bending stress is denoted as Shd.
- Shd the bending stress Shd is larger than a tensile strength ⁇ b of the first header 101 and the second header 102
- the first header 101 and the second header 102 may have a failure, and may have the failure under a certain pressure.
- the relative stress Sfin/ ⁇ s on the fin 104 decreases generally along with the rising of the bending radius R.
- a bending radius of a traditional copper-tube and fin heat exchanger of an air conditioner is generally more than 50 mm.
- a lower limit and an upper limit of the recombination parameter (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) are determined respectively as 0.01 and 9.
- the bent heat exchanger 10 has advantages of a reasonable structure, a steady construction, a high heat exchange efficiency, a great heat exchange performance, a high reliability, an easy mounting and application, and a great drainage performance.
- the axial directions of the first header 101 and the second header 102 may be the length directions of the first header 101 and the second header 102.
- the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102, the larger wall thickness T of the wall thicknesses of the first header 101 and the second header 102, the width W of the flat tube 103, the arc radius FR of the fin 104 and the height FH of the fin 104 is millimeter, 0.01mm ⁇ (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) ⁇ 9mm, the same as below.
- the bent heat exchanger 10 may be configured to be C-shaped.
- the bent heat exchanger 10 may be bent three times along the length directions of the first header 101 and the second header 102. That is, each of the first header 101 and the second header 102 may include three bent segments 1011 and four straight segments 1012, and each bent segment 1011 is located between two adjacent straight segments 1012.
- bent heat exchanger 10 may also be configured to be L-shaped.
- the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength.
- the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
- the thickness FT of the fin 104, the arc radius FR of the fin 104, the height FH of the fin 104, and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 meet a following relation: 0.0004 ⁇ (FT ⁇ FR)/(FH ⁇ OD) ⁇ 0.59.
- the thickness FT of the fin 104, the arc radius FR of the fin 104 and the height FH of the fin 104 may meet a following relation: 0.02 ⁇ (FT ⁇ FR)/FH ⁇ 6.
- the thickness FT of the fin 104 and the height FH of the fin 104 may meet a following relation: 0.002 ⁇ FT/FH ⁇ 0.04.
- the arc radius FR of the fin 104 and the height FH of the fin 104 may meet a following relation: 0.0061 ⁇ FR/FH ⁇ 0.6.
- FR/FH 0.3.
- the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength.
- the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
- the larger wall thickness T of the wall thicknesses of the first header 101 and the second header 102 and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 may meet a following relation: 0.04 ⁇ T/OD ⁇ 0.25.
- the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength. Also, the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
- the thickness FT of the fin 104 and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 may meet a following relation: 0.0005 ⁇ FT/OD ⁇ 0.015.
- the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength. Also, the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
- the arc radius FR of the fin 104 and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 meet a following relation: 0.0016 ⁇ FR/OD ⁇ 0.4.
- the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength. Also, the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
- the height FH of the fin 104 and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 may meet a following relation: 0.05 ⁇ FH/OD ⁇ 2.
- 0.1 ⁇ FH/OD 0.1 ⁇ FH/OD ⁇ 1.
- 0.3 ⁇ FH/OD 0.3 ⁇ FH/OD ⁇ 0.7.
- first and second are used herein for purposes of description and are not intended to indicate or imply relative importance or significance or to imply the number of indicated technical features.
- the feature defined with “first” and “second” may comprise one or more of this feature.
- a plurality of' means two or more than two, unless specified otherwise.
- the terms “mounted”, “connected”, “coupled”, “fixed” and the like are used broadly, and may be, for example, fixed connections, detachable connections, or integral connections; may also be mechanical or electrical connections; may also be direct connections or indirect connections via intervening structures; may also be inner communications of two elements, which can be understood by those skilled in the art according to specific situations.
- a structure in which a first feature is "on" or “below” a second feature may include an embodiment in which the first feature is in direct contact with the second feature, and may also include an embodiment in which the first feature and the second feature are not in direct contact with each other, but are contacted via an additional feature formed therebetween.
- a first feature "on”, “above” or “on top of' a second feature may include an embodiment in which the first feature is right or obliquely “on”, “above” or “on top of' the second feature, or just means that the first feature is at a height higher than that of the second feature; while a first feature "below”, “under” or “on bottom of' a second feature may include an embodiment in which the first feature is right or obliquely “below”, “under” or “on bottom of' the second feature, or just means that the first feature is at a height lower than that of the second feature.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Claims (11)
- Ein gebogener Wärmetauscher (10), der folgende Merkmale aufweist:ein erstes Sammelrohr (101) und ein zweites Sammelrohr (102), wobei das erste Sammelrohr und das zweite Sammelrohr jeweils zumindest ein gebogenes Segment (1011) und ein gerades Segment (1012) aufweisen, welches an das gebogene Segment angrenzt, wobei das gebogene Segment des ersten Sammelrohrs (101) dem gebogenen Segment des zweiten Sammelrohrs (102) entspricht;eine Mehrzahl von flachen Rohren (103), wobei zwei Enden des flachen Rohrs (103) mit dem ersten Sammelrohr (101) beziehungsweise dem zweiten Sammelrohr (102) verbunden sind, wobei die Mehrzahl von flachen Rohren (103) voneinander entlang von Axialrichtungen des ersten Sammelrohrs (101) und des zweiten Sammelrohrs (102) beabstandet sind; undRippen (104), von denen jede zwischen benachbarten flachen Rohren (103) angeordnet ist, sich in einer gewellten Form entlang einer Längenrichtung des flachen Rohrs (103) erstreckt und flachgerade Segmente (1041) und bogenförmige Segmente (1042) aufweist, wobei jedes bogenförmige Segment (1042) zwischen benachbarten flachgeraden Segmenten (1041) angeordnet ist,dadurch gekennzeichnet, dass eine Dicke der Rippe (104) als FT bezeichnet wird, das erste Sammelrohr (101) und das zweite Sammelrohr (102) unterschiedliche Außendurchmesser aufweisen, wobei ein größerer der Außendurchmesser des ersten Sammelrohrs (101) und des zweiten Sammelrohrs (102) als OD bezeichnet wird, das erste Sammelrohr (101) und das zweite Sammelrohr (102) unterschiedliche Wanddicken aufweisen, wobei eine größere der Wanddicken des ersten Sammelrohrs (101) und des zweiten Sammelrohrs (102) als T bezeichnet wird, eine Breite des flachen Rohres (103) als W bezeichnet wird, ein Bogenradius der Rippe (104) als FR bezeichnet wird, und eine Höhe der Rippe (104) als FH bezeichnet wird,wobei FT, OD, T, W, FR und FH jeweils eine Längeneinheit von Millimetern aufweisen und Folgendes gilt: 0,01 mm ≤ (100×FT×FR×T) / (FH×OD) ≤ 9 mm.
- Ein gebogener Wärmetauscher (10), der folgende Merkmale aufweist:ein erstes Sammelrohr (101) und ein zweites Sammelrohr (102), wobei das erste Sammelrohr (101) und das zweite Sammelrohr (102) jeweils zumindest ein gebogenes Segment (1011) und ein gerades Segment (1012) aufweisen, welches an das gebogene Segment angrenzt, wobei das gebogene Segment des ersten Sammelrohrs (101) dem gebogenen Segment des zweiten Sammelrohrs (102) entspricht;eine Mehrzahl von flachen Rohren (103), wobei zwei Enden des flachen Rohrs (103) mit dem ersten Sammelrohr (101) beziehungsweise dem zweiten Sammelrohr (102) verbunden sind, wobei die Mehrzahl von flachen Rohren (103) voneinander entlang von Axialrichtungen des ersten Sammelrohrs (101) und des zweiten Sammelrohrs (102) beabstandet sind; undRippen (104), von denen jede zwischen benachbarten flachen Rohren (103) angeordnet ist, sich in einer gewellten Form entlang einer Längenrichtung des flachen Rohrs (103) erstreckt und flachgerade Segmente (1041) und bogenförmige Segmente (1042) aufweist, wobei jedes bogenförmige Segment (1042) zwischen benachbarten flachgeraden Segmenten (1041) angeordnet ist,dadurch gekennzeichnet, dass eine Dicke der Rippe (104) als FT bezeichnet wird, das erste Sammelrohr (101) und das zweite Sammelrohr (102) einen gleichen Außendurchmesser aufweisen und beide Außendurchmesser des ersten Sammelrohrs (101) und des zweiten Sammelrohrs (102) als OD bezeichnet werden, das erste Sammelrohr (101) und das zweite Sammelrohr (102) eine gleiche Wanddicke aufweisen und beide Wanddicken des ersten Sammelrohrs (101) und des zweiten Sammelrohrs (102) als T bezeichnet werden, eine Breite des flachen Rohres (103) als W bezeichnet wird, ein Bogenradius der Rippe (104) als FR bezeichnet wird, und eine Höhe der Rippe (104) als FH bezeichnet wird,wobei FT, OD, T, W, FR und FH jeweils eine Längeneinheit von Millimetern aufweisen und Folgendes gilt: 0,01 mm ≤ (100×FT×FR×T) / (FH×OD) ≤9 mm.
- Der gebogene Wärmetauscher gemäß Anspruch 1 oder 2, bei dem 0,0004 ≤ (FTxFR)/(FHxOD) ≤ 0,59
- Der gebogene Wärmetauscher gemäß einem der Ansprüche 1 bis 3, bei dem 0,0 2mm ≤ (FT×FR)/FH ≤ 6 mm.
- Der gebogene Wärmetauscher gemäß einem der Ansprüche 1 bis 4, bei dem 0,002 ≤ FT/FH ≤ 0,04.
- Der gebogene Wärmetauscher gemäß einem der Ansprüche 1 bis 5, bei dem 0,0061 ≤ FR/FH ≤ 0,6.
- Der gebogene Wärmetauscher gemäß einem der Ansprüche 1 bis 6, bei dem 0,04 ≤ T/OD ≤ 0,25.
- Der gebogene Wärmetauscher gemäß einem der Ansprüche 1 bis 7, bei dem 0,0005 ≤ FT/OD ≤ 0,015.
- Der gebogene Wärmetauscher gemäß einem der Ansprüche 1 bis 8, bei dem 0,0016 ≤ FR/OD ≤ 0,4.
- Der gebogene Wärmetauscher gemäß einem der Ansprüche 1 bis 9, bei dem 0,05 ≤ FH/OD ≤ 2.
- Der gebogene Wärmetauscher gemäß einem der Ansprüche 1 bis 10, wobei der gebogene Wärmetauscher (10) dazu ausgebildet ist, C-förmig oder L-förmig zu sein.
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CN201410188198.0A CN103925745B (zh) | 2014-05-06 | 2014-05-06 | 折弯式换热器 |
PCT/CN2015/078406 WO2015169231A1 (zh) | 2014-05-06 | 2015-05-06 | 折弯式换热器 |
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EP3141858A1 EP3141858A1 (de) | 2017-03-15 |
EP3141858A4 EP3141858A4 (de) | 2018-01-24 |
EP3141858B1 true EP3141858B1 (de) | 2021-01-20 |
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EP15788925.4A Active EP3141858B1 (de) | 2014-05-06 | 2015-05-06 | Gebogener wärmetauscher |
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US (1) | US20170059252A1 (de) |
EP (1) | EP3141858B1 (de) |
KR (1) | KR101897385B1 (de) |
CN (1) | CN103925745B (de) |
MX (1) | MX2016014494A (de) |
WO (1) | WO2015169231A1 (de) |
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CN103925745B (zh) * | 2014-05-06 | 2016-04-06 | 杭州三花微通道换热器有限公司 | 折弯式换热器 |
US11585609B2 (en) | 2014-05-06 | 2023-02-21 | Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | Bent heat exchanger |
USD805616S1 (en) * | 2015-04-30 | 2017-12-19 | Samwon Industrial Co., Ltd. | Fin tube assembly for heat exchanger |
CN105651081B (zh) * | 2015-12-30 | 2018-07-13 | 杭州三花微通道换热器有限公司 | 双排折弯式换热器及其制造方法 |
CN207113692U (zh) * | 2016-12-30 | 2018-03-16 | 杭州三花微通道换热器有限公司 | 集流管和具有其的换热器 |
CN110160283A (zh) * | 2017-09-14 | 2019-08-23 | 宁波德业科技集团有限公司 | 一种超薄空调用蒸发器 |
CN108489152A (zh) * | 2018-02-28 | 2018-09-04 | 杭州三花家电热管理***有限公司 | 换热器、换热设备及换热*** |
CN110686429A (zh) * | 2018-07-04 | 2020-01-14 | 浙江盾安热工科技有限公司 | 微通道换热器 |
CN111765797A (zh) * | 2019-04-02 | 2020-10-13 | 杭州三花微通道换热器有限公司 | 扁管和具有其的换热器 |
WO2020200285A1 (zh) * | 2019-04-02 | 2020-10-08 | 杭州三花微通道换热器有限公司 | 扁管和具有其的换热器 |
US20220090864A1 (en) * | 2019-09-11 | 2022-03-24 | Carrier Corporation | Heat exchanger assembly |
CN213747274U (zh) * | 2020-09-01 | 2021-07-20 | 浙江盾安热工科技有限公司 | 组合式换热器 |
CN216694561U (zh) * | 2021-05-25 | 2022-06-07 | 丹佛斯有限公司 | 换热器和具有该换热器的空调*** |
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- 2014-05-06 CN CN201410188198.0A patent/CN103925745B/zh active Active
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- 2015-05-06 KR KR1020167033719A patent/KR101897385B1/ko active IP Right Grant
- 2015-05-06 WO PCT/CN2015/078406 patent/WO2015169231A1/zh active Application Filing
- 2015-05-06 MX MX2016014494A patent/MX2016014494A/es unknown
- 2015-05-06 EP EP15788925.4A patent/EP3141858B1/de active Active
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US20170059252A1 (en) | 2017-03-02 |
EP3141858A4 (de) | 2018-01-24 |
KR101897385B1 (ko) | 2018-09-10 |
EP3141858A1 (de) | 2017-03-15 |
MX2016014494A (es) | 2017-04-06 |
CN103925745A (zh) | 2014-07-16 |
KR20160148010A (ko) | 2016-12-23 |
WO2015169231A1 (zh) | 2015-11-12 |
CN103925745B (zh) | 2016-04-06 |
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